Mahabharata 1.2.213

यं दृष्ट्वा प्रस्थितं साध्वी पृथाप्यनुययौ तदापुत्रराज्यं परित्यज्य गुरुशुश्रूषणे रता

yaṃ dṛṣṭvā prasthitaṃ sādhvī pṛthāpyanuyayau tadāputrarājyaṃ parityajya guruśuśrūṣaṇe ratā

Our plain-language meaning of this verse is waiting for scholar review.